Machine for removing grass.



C. W. HEASLEY.

MACHINE FOR REMOVING GRASS.

APPLICATION FILED Nov. 29. 1913.

Patented Mar. 7, 1916.

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CHARLES W. HEASLEY, 0F GRANGEVILLE, IDAHO.

MACHINE non REMOVING GRASS.

Specification of Letters Patent.

Patented-Mar. v, 1916.

Application filed November 29, 1913. Serial No. 803,694.

. and for lifting the cut grass and soil, and

delivering it to separating mechanism.

In the drawings: Figure 1 is a side view of the improved plow; Fig. 2 isan enlarged detail view of a portion of the adjusting mechanism; Fig. 3is a topplan view of the operating mechanism for'the plow; Fig. 4 is asection on the line H of Fig. 1, and Fig. 5 is a section on the line 5-5of Fig. 2.

The present embodiment of the invention is shown in connection with asupporting frame 1, having wheels of which one is indicated at 2, andthe turning mechanism comprises a concavo-convex disk 3, which issecured to a journal pin at held in a bearing 5 intermediate the ends ofa lever 6..

The lever 6 is pivoted at its rear end to the frame 1, as indicated at7, and adjusting mechanism is arranged at the opposite end of the leverfor adjusting the plow.

A shoe 8 is rigidly connected with the opposite end of the lever'6 fromthe pivotal connection, said shoe extending transversely of the lever,and being arc-shaped as shown, being formed on the'arc whose center isthe pivotal connection of the lover. The shoe slidably engages anarc-shaped guide bar 9, depending from a plate 10 connected to theframe, and the guide bar is shaped to lit the shoe, and the shoe isprovided with rollers for engaging the bar to decrease friction, and toprevent disengagement of the shoe.

Rollers 12 are journaled in slots 13 extending longitudinally of theshoe, and the said rollers extend through the slots into engagement withthe guide bar. Each roller is journaled on a journal pin as shown, andother rollers 1d are connected with the shoe and engage the oppositeface of the guide bar from that engaged by the rollers 12. The rollers14 are journaled on journal pins 15 which are supported by laterallyextending lugs 16 at the end of the guide shoe, and at opposite sidesthereof. The lugs 16 extend beyond the opposite face of the guide barfrom the shoe, and the rollers are journaled on the inner sides of thelugs. Thus each roller 14 engages the guide bar near the edge thereof,and at the opposite side from the shoe, to prevent disengagement of theshoe and to eliminate friction.

The lever 6 is provided with an upwardly extending arm 17 at the endadjacent to the shoe, and the operating mechanism for the disk isconnected with the said iarm. Toggle mechanism consisting of levers ormembers 18 and 19 is arranged between the arm 17 and a vertically movingrack bar 20. The levers l8 and 19 are in pairs, each lever consisting ofa pair of oppositely arranged members. The lower ends of the members ofthe lever 18 are pivoted to the arm 17, and the upper ends of themembers of the,

lever 19 are pivoted to a laterally extending lug 21 on the lower end ofthe rack bar QO. The adjacent ends of the levers l8 and 19 are pivotedto a block 22, by means of abolt and nut 23. V

The block 22ris provided with a laterally extending rounded stem 24, andthis stem passes through a fixed guide'25 on the frame, intermediate theends of the stem. A coiled spring 26 encircles the stem between the ixedguide and stops 2'? in the form of nuts threaded onto the stem at theopposite end from the block. The spring acts normally to hold the togglein alinement, but should there be undue pressure or strain on' the disk3, the toggle may break to prevent injury to the disk and connectedparts.

The rack bar 20 is mounted to slide in a guide 28 supported by theframe, and the teeth of the rack bar engage the teeth of a pinion 29secured to a shaft 30 journaled transversely of the frame in uprights orstandards 31. A gear wheel 32'is secured to the shaft 30 and this wheelmeshes with a pinion 33 on a counter-shaft 34 journaled in thestandardsor uprights 31 parallel with the shaft 30.

The shaft 34 is provided with a sprocket wheel 35 which is engaged by achain 36, the said chain connecting the sprocket wheel 35 with asprocket wheel 37 on an operating shaft 38 journaled parallel with theshafts 30 and 3t in standards 39 on the frame. The shaft 38 is providedat one end with hand Wheel 40, for convenience in rotating the shaft andit will be evident that when the said shaft is rotated, the rack bar 20will be moved upward or downward, depending upon the direction of therotation of the shaft 38. The shaft 38 is operated manually by the handwheel 40, and brake mechanism is provided in connection with the shaftfor holding the same from movement when the plow is in proper position.

This brake mechanism comprises a brake disk- 41 secured to the shaftintermediate the ends thereof, and a band or strap 42 encircles thedisk. A lever 43 is arranged adjacent to the disk and in front thereof,and said lever is pivoted intermediate its ends on a journal pin 44extending inward from an extension 45 of one of the uprights orstandards 39. Links 46 and 47 connect the opposite ends of the strap 42with the lever, the link 46 being pivoted to the lever on one side ofthe pivotal connection, while the link 47 is connected to the lever onthe other side of the said connection.

A treadle lever 48 is pivotally connected to a platform 49 at the frontof the frame, as indicated at 50, and a link 51 connects the leverintermediate the ends thereof with the outer end of the lever 43. Thetreadle lever is normally pressed upward by a coiled spring 52 arrangedbeneath the same and between the treadle lever and the platform, and aratchet bar 53 is provided for holding the treadle lever in adjustedposition.

The operation ofthe improved plow is as follows: The machine is drawnthrough the field in any suitable manner, and by means of the hand wheel40 the plow is adjusted to the proper depth. By means of the treadlelever 48, the plow is locked in the desired position, and as the machinemoves through the field, the plow will cut beneath the grass, and willturn the same upwardly and outwardly, delivering it to any suitable formof separating mechanism. Should the plow meet with an obstruction, thetoggle mechanism will yield, permitting the plow to move upward, withoutcausing injury to the same or connected parts. The lever 6 is guided atits free end in its vertical move ment by the shoe and guide barconstruction.

I claim:

1. In a machine of the character specified, a wheel supported mainframe, an arm pivoted to the main frame at one end, a concavo-convexdisk journaled on the arm for turning the soil, and means for raisingand lowering the free end of the arm, said means comprising a rack barmounted for vertical sliding movement in the main frame, a toggle jointconnection between the lower end of the rack bar and the arm, a guidefor the free end of the arm, a spring normally holding the toggle jointin alinement, but mounted to yield to permit the plow to move upwardly,a pinion meshing with the rack bar, and means for rotating the pinion,said means comprising a hand wheel journaled on the main frame andhaving a driving connection with the pinion, a brake in the hand wheel,and means for locking the brake to prevent rotation of the hand wheel.

2. In a machine of the character specified, a wheel supported mainframe, an arm pivoted to the main frame at one end, a concavo-convexdisk journaled on the arm for turning the soil, andmeans for raising andlowering the free end of the arm, said means comprising a rack barmounted for vertical sliding movement in the main frame, a toggle jointconnection between the lower end of the rack bar and the arm, a guidefor the free end of the arm, a spring normally holding the toggle jointin alinement, but mounted to yield to permit the plow to move up wardly,a pinion meshing with the rack bar,

and means for rotating the pinion.

3. In a machine of the character specified, the combination with theframe, of an arm pivoted at one end of the frame, a plow supported bythe arm intermediate the ends thereof, a guide for the free end of thearm for constraining it to move vertically, means for adjusting the armvertically, a. toggle joint connection between the arm and the adjustingmeans, and yielding mechanism normally holding the toggle joint inalinement.

' CHARLES w. HEASLEY.

Witnesses:

F. L. LEONARD, W. C. SCHAEFER.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

, Washington, D. C.

